Abstract

A ruby laser was Q-switched by means of a plasma. The plasma, which had a density of up to 1018 cm−3, was produced in an electromagnetic shock tube. The density gradient created by the reflected plasma was large enough to produce measurable refraction of the laser beam. The laser cavity, which was initially misaligned, attained perfect alignment when the plasma was introduced into the cavity.

© 1982 Optical Society of America

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